Classify the crystalline forms of these substances as ionic crystals, covalent crystals, molecular crystals, or metallic crystals. 1. CO2 2. B 3. S8 4. KBr 5. Mg 6. SiO2 7. LiCl 8. Cr 9. Sr 10. MgCl2

Q: A reaction displays zero-order kinetics for its single re this plot = O a. [reactant]: -k Ob. In[rea...

A: For zero order reaction,   Rate constant (k) = (Ao - A)/t   A = Ao - kt Where, Ao = initial constant...

Q: Calculate either [H,O*] or [OH¯] for each of the solutions at 25 °C. Solution A: [OH-] = 1.91 × 10-7...

A: for the given solutions, we need to calculate [H3O+] or [OH-]

Q: The equilibrium constant for the reaction: CO2(g) CO(g) + 1/2 O2(g) is 6.66 × 1012 at 1000 K. Calcul...

A: Given- CO2->CO +1/2O2.                K=6.66×1012

Q: A balloon contains 0.115 mol of gas and has a volume of 2.87L If an additional 0.132 mol of gas is ...

A: According to Ideal gas equation,  PV = nRT   where, P = pressure of gas V = volume occupied by the g...

Q: Draw the predominant product(s) of the following reactions including stereochemistry when it is appr...

A: In given reaction z- alkene is formed.

Q: How much 6.01 MNaOH must be added to 520.0 mL of a buffer that is 0.0195 Macetic acid and 0.0240 M s...

A: Given- Volume of buffer = 520.0 ml Concentration of acetic acid = 0.0195 M Concentration of sodium a...

Q: At 700 K, the reaction 2SO ₂(g) + O₂ (g) ⇌ 2SO₃ (g) has the equilibrium constant Kc = 4.3 x 10⁶, and...

A:

Q: Consider the Haber process at 500 ºC: N, (g) + 3H, (g) =2NH; (g) with a AH of reaction equal to -92 ...

A:

Q: The half-life for the first-order conversion of A to B is 56.5 hours. How long does it take for the ...

A:

Q: work

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Q: Part A Which sample is most likely to undergo the smallest change in temperature upon the absorption...

A: Here option 'c' will be correct option. i.e. 67 g of water sample is the most likely to  undergo the...

Q: What lab equipment is used to manually stir solutions? thermomoter

A:   In chemical laboratory various equipments are used these equipments are called apparatus  In any t...

Q: Identify each energy exchange as heat or work. Drag the appropriate items to their respective bins. ...

A: The sign convention for heat flow are as follows: When the heat flows into the system, a positive si...

Q: What is the pressure in a 14.0-L cylinder filled with 0.450 mol of nitrogen gas at a temperature of ...

A: Given- Volume of cylinder= 14.0L Moles of nitrogen gas =0.450mol Temperature=315K

Q: Cl2 (g) + CO (g) COCl2 (g)  Delta Hrxn = -109 kj/molrxn   1. At equilibrium, the container holds ...

A: The answer is as follows:  

Q: Pb(NO3)2 + 2 NaI  PbI2 + 2 NaNO3 a. If I start with 25.0 grams of lead (II) nitrate and 15.0 grams ...

A: Since the given problem have multiple subpart but as per bartleby guidelines the answer for first th...

Q: .CH3 NH3 H Br +

A: Organic reactions are those in which organic reactant react to form organic products.

Q: Consider a reaction with an initial concentration equal to 5.30 M and a rate constant k = 0.0160 s C...

A: Chemical kinetics is defined as branch of chemistry which deals with the speed at which various reac...

Q: The XeO3 molecule displays approximately which bond angles (in degrees)about the central Xe? (Your a...

A:

Q: In the synthesis of tert-butyl chloride, what are the side products produced? Kindly show the mechan...

A:

Q: Balance the following redox reactions in basic solution: a. Se + Cr(OH)3 -> Cr + SeO32- b. MnO4- + ...

A: To solve this problem we will have to balanced the given chemical equation .   

Q: In a face-centered cubic lattice, how many atoms are contained in a unit cell?

A: Give : face centered cubic lattice

Q: The hydrogen ion concentration of a solution is 6.25x10-9 M. What is the pOH of the solution? Expres...

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Q: 1. A reaction is considered an equilibrium when: a) There is the same amount of reactants and produc...

A: Consider a reaction,  aA+bB↔cC+dD   (assume ↔notate equilibrium).  

Q: Period: pH pH Versus Hydronium lon Concentration 14 12 Bleach. Aqueous ammonia• 10. Milk of magnesia...

A:

Q: 47.9-mL sample of gas in a cylinder is warmed from 27 ∘C to 86 ∘C. What is its volume at the final ...

A: According to Charles's law, at constant pressure for an ideal gas, volume is proportional to tempera...

Q: The energy requiring step during ATP synthesis by the FoF1-ATP synthase is The energy for this step ...

A: We have find out the answer.

Q: Draw the Lewis Structure of carbonate ion, CO32-. Please include the resonance structures and the fo...

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st q...

Q: Which one of the following compounds would adsorb most strongly to silica gel? SCH3 Br -CO2H A B E

A: Silica gel is a compound of Silicon and oxide. Its molecular formula is SiO2 and is a network solid ...

Q: 5) Provide the products necessary to complete the synthesis below. Indicate what mechanism was used ...

A: When 2-methyl pentan-3-ol is treated with the PBr3 then firstly SN2 reaction proceeds and the 2-meth...

Q: The heat of fusion of water is 79.9 cal/g, the heat of vaporization of water is 540 cal/g, and the s...

A:

Q: (30) Take a look at the two multi-substituted benzene compounds below. Trinitrotoluene (TNT) has its...

A: The name of the compound when a methyl group is attached with the benzene is toluene.

Q: Consider the following exothermic reaction system at equilibrium: N2(9) + 3H2(9) = 2NH3(9) Predict h...

A:

Q: A reaction has an equilibrium constant of 1.8 x 10⁻² at 298 K and an enthalpy change of +200 kJ/mol....

A: Given,  At temperature T1 = 298 K  Equilibrium constant, K1 = 1.8x10-2  ∆Hrxn = 200 kJ/mol          ...

Q: The byproduct of the photo dimerization of benzophenone to benzopinacol is? OH hv Ph Ph OH Ph Ph Ph ...

A: 1.) The photodimerization if benzophenone ho vis radical mechanism. We would write mechanism to dete...

Q: 11) What is the name for this compound? он A) cyclopentanol B) cyclohexanol C) cyclobenzenol D) phen...

A:

Q: Calculate the value of S° for the reaction shown: 2 NH3(g)  N2(g) + 3 H2(g) At 25°C the values of e...

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Q: Activity I. True or False Directions: Read and analyze the statements below, Write True if the state...

A: 1. Sucrose is a disaccharide.  True  2. Starh is composed of many glucose units.     True  3. Fructo...

Q: If a 4.25 atm gas phase mixture contains 40.0g of neon and 40.0 g of helium at a constant temperatur...

A: Given- Total pressure= 4.25 atm  Weight of neon =40.0g Weight of helium =40.00 g    

Q: Hi can someone help me in simple terms understand these chemistry questions please, VERY CONFUSED 1...

A: while doing nomenclature of compound, the main part of the name reflects the number of carbons in wh...

Q: What should be left in the locker before entering the laboratory? O a. all of the above O b. cellpho...

A: While working on laboratory some things has to be in mind. Some precausion should be taken as it wil...

Q: a) Br NaOH heat b) CH3OH heat Br

A:

Q: Explain why different elements produce different spectral absorption and emission lines.

A: The spectral absorption and emission lines. The absorption spectra is produced when the atom absorbs...

Q: Calculate the internal energy of the system that absorbs 50 kJ of heat and 165 kJ work done by the s...

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Q: In the presence of sulfuric acid, this alcohol is dehydrated to form a pair of alkenes through an E1...

A:

Q: 7. Define back-titration. What is the concept behind this method?

A: Back titration; It is a titration method where the concentration of unknown sample is determined by ...

Q: The rate law for a given reaction is rate - k[reactant]2, with k- 2.64 x 10-4 M-1 min-1. If the init...

A: We have to calculate the initial rate.  

Q: * 00 Be sure to answer all parts. 31 kg) and a proton Compare the wavelengths of an electron (mass =...

A:

Q: The ?a of a monoprotic weak acid is 0.00846. What is the percent ionization of a 0.136 M solution of...

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Q: Da.4 O b.3 O d.2

A: From the significant figures rule , in division the number of significant figures in answer is same ...